It really is a dynamic game, i run into dragons ALOT..
Im lvl 18 now and am archmage of winterholme college. i havent really used a weapon since the first mission when i realised i already had a few spells
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i dont find fighting dragons too diffifult, as long as theres a rock or something to hide behind when they try to incinarate me im fine. but i can imagine it would be harder if i tried to attack them with a sword, with big baddies i can only survive a few hits, considering i wear robes and a mask lol
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but saying that ALERT LITTLE SPOILER --------------- i did finish of alduine with the dragonbane sword (+20 damage to dragons and +10 shock damage to others).,, but that was mainly because he was distracted and i thoughd id give it a go...